Flashcards in Mock Deck (55):
Corresponding angles (f angle)...
Alternate angles(z angle)...
Co-interior angles(c angle)...
Add up to 180
What is the general equation of a straight line?
y=mx + c
What is the gradient equation?
How do you find the equation of a line when you’re given the gradient and the point that it goes through?
Gradient = 2
Point it goes through = (2,9)
y=mx + c
Answer: y=2x + 5
How do you calculate the gradient from 2 coordinates?
What are the angles in perpendicular lines?
The negative reciprocal of one another
What is the negative reciprocal of 1?
How do you work out the midpoint of a line segment?
How do you work out the interior angle of a shape?
(n-2) x 180
How do you work out exterior angles?
360/no of sides
What do you need when you’re adding fractions?
A common denominator
What do you need when you’re subtracting fractions?
A common denominator
How do you divide fractions?
Skip flip multiply
How do you multiply fractions?
Multiply the numerators together and multiply the denominators together
What are the 2 steps of simplifying algebraic fractions?
What are the 4 types of transformations?
What is the object in transformation?
The original shape
What is the image in transformation?
The shape that is produced
What is translation?
Sliding a shape
What is needed in translation?
In a vector, what does the top digit tell you?
How far the shape moves to the left/right
In a vector, what does the bottom digit tell you?
How far the shape moves up/down
What are the 3 requirements for rotation?
Centre of rotation
What 2 things do you need for enlargement?
Centre of enlargement
How do you find the centre of enlargement?
Join up the corners of the object and the image
What does a negative scale factor mean?
Enlarges and rotates
What does a scale factor of 1/2 mean?
Gets smaller and closer to centre
Area of similar shapes?
Volume of similar shapes?
What diagram is used to find out the factors of a number?
Factor tree diagram
In a Venn diagram, how do you find out the HCF?
Multiply all the numbers in the middle
In a Venn diagram, how do you find the LCM?
What is X to the power of 1/2?
The square root of X
What is anything to the power of 0?
What is X to the power of -2?
What do you do to estimate?
Round everything to 1 sig fig
How do you estimate the root of a number?
Find the two closest square numbers and estimate the number from there, depending on which square number it’s closer to
How do you convert recurring decimals into fractions?
1. Multiply it by a factor of 10 until it lines up
2. Do 10x-x
3. 9x = ?
4. x = ?/x
What is the equation for sin θ?
What is the equation for cos θ?
What is the equation for tan θ?
How do you work out the missing angle in trigonometry?
What is the area of a parallelogram?
Base x perpendicular height
How do you work out the area of a trapezium?
Half the sum of the parallel sides
Times the distance between them
How do you work out the area of a kite?
Width X height/2
What is the area of a circle?
What is the Pythagoras equation?
A² + B² =C²
How do you use Pythagoras to find the length of a line?
Make the line into a right angled triangle
What is the equation for speed?
How do you work out the speed on the distance time graph?
What is the gradient on a speed time graph?
How do you work out the distance travelled on a speed time graph?
The area underneath